Home / 111,568.15-154,028.44-84,663.60

Finding the Fourth Proportional to 111,568.15, 154,028.44 and 84,663.60

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Solution

The fourth proportional to 111,568.15, 154,028.44 and 84,663.60 is: 116,884.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,568.15 : 154,028.44 = 84,663.60 : x
  2. Step 2: Convert to fraction form
    111,568.15/154,028.44 = 84,663.60/x
  3. Step 3: Cross multiply
    111,568.15x = 154,028.44 × 84,663.60
  4. Step 4: Simplify right side
    111,568.15x = 13,040,601,284.77
  5. Step 5: Solve for x
    x = 13,040,601,284.77/111,568.15
  6. Step 6: Final answer
    x = 116,884.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.